25152265507 has 2 divisors, whose sum is σ = 25152265508. Its totient is φ = 25152265506.

The previous prime is 25152265447. The next prime is 25152265517. The reversal of 25152265507 is 70556225152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25152265507 - 2¹¹ = 25152263459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25152265507.

It is not a weakly prime, because it can be changed into another prime (25152265517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12576132753 + 12576132754.

It is an arithmetic number, because the mean of its divisors is an integer number (12576132754).

Almost surely, 2^25152265507 is an apocalyptic number.

25152265507 is a deficient number, since it is larger than the sum of its proper divisors (1).

25152265507 is an equidigital number, since it uses as much as digits as its factorization.

25152265507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210000, while the sum is 40.

The spelling of 25152265507 in words is "twenty-five billion, one hundred fifty-two million, two hundred sixty-five thousand, five hundred seven".